JAMUR ENDOFIT UNTUK MEMBUNUH Spodoptera frugiperda DAN MENINGKATKAN PERTUMBUHAN JAGUNG

SARI, JELLY MILINIA PUSPITA and Herlinda, Siti and Elfita, Elfita and Suwandi, Suwandi (2024) JAMUR ENDOFIT UNTUK MEMBUNUH Spodoptera frugiperda DAN MENINGKATKAN PERTUMBUHAN JAGUNG. Doctoral thesis, Sriwijaya University.

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Abstract

JELLY MILINIA PUSPITA SARI, Endophytic Fungus to Kill Spodoptera frugiperda and Increase Corn Growth (Supervised by: SITI HERLINDA, ELFITA, and SUWANDI). FAW (Spodoptera frugiperda) infestations reduced the production of maize crops, causing varying levels of damage: in Lampung, the damage ranged from 26.50% to 70%, in Bali, it reached 47.84%, and in East Nusa Tenggara, it varied between 85% and 100%. S. frugiperda, an invasive pest on maize, caused severe damage, necessitating environmentally friendly biological control strategies. This study aimed to evaluate the potential of endophytic fungi in controlling S. frugiperda while simultaneously enhancing maize growth. The research methods included inoculating maize seedlings with endophytic fungi, colonization analysis using the FDA method, observation of the pest life cycle, identification of larval haemocyte types and concentrations, formulation of liquid bioinsecticides, and secondary metabolite analysis using LC-MS. The results revealed that endophytic fungi successfully colonized maize seedlings and significantly influenced pest control by reducing the survival rate of S. frugiperda larvae by up to 26.67% and enhancing the immune response of larvae without triggering encapsulation phenomena. Furthermore, liquid bioinsecticide formulations based on endophytic fungi effectively suppressed larval development into pupae to below 20%. Secondary metabolite analysis identified bioactive compounds, such as tannins, phenols, flavonoids, and terpenoids, with diverse compound characteristics analyzed through liquid Chromatography-Mass Spectrometry (LC-MS). This study concluded that endophytic fungi have the potential to be environmentally friendly biological control agents that support maize growth. Further research is recommended to optimize the formulation of bioinsecticides based on endophytic fungi. Keywords: Entomopathogens, liquid bioinsecticide, secondary metabolites, LC-MS (Liquid Chromatography-Mass Spectrometry), larval haemocytes, Beauveria bassiana, Metarhizium anisopliae, Penicillium citrinum, Aspergillus niger, Chaetomium sp., Aspergillus flavus, and immune response

Item Type:	Thesis (Doctoral)
Uncontrolled Keywords:	Entomopathogens, liquid bioinsecticide, secondary metabolites, LC�MS (Liquid Chromatography-Mass Spectrometry), larval haemocytes, Beauveria bassiana, Metarhizium anisopliae, Penicillium citrinum, Aspergillus niger, Chaetomium sp., Aspergillus flavus, and immune response
Subjects:	S Agriculture > S Agriculture (General) > S539.5-542.3 Research. Experimentation S Agriculture > S Agriculture (General) > S589.7 Agricultural ecology (General) S Agriculture > S Agriculture (General) > S589.75-589.76 Agriculture and the environment
Divisions:	05-Faculty of Agriculture > 54001-Agricultural Science (S3)
Depositing User:	Jelly Milinia Puspita Sari
Date Deposited:	24 Jan 2025 06:37
Last Modified:	24 Jan 2025 06:37
URI:	http://repository.unsri.ac.id/id/eprint/164931

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